1. Regularly occurring periods of eye motility and concomitant phenomena during sleep;Aserinsky;Science,1953
2. Normal human sleep: An overview;Carskadon,2005
3. Neurophysiology of sleep: Basic mechanisms underlying control of wakefulness and sleep;McCarley,1999
4. A Manual of Standardized Terminology, Techniques and Scoring System for Sleep Stages of Human Subjects;Rechtschaffen,1968
5. The International Classification of Sleep Disorders,2005